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core: add dynamic converter

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This commit is contained in:
c9s 2024-08-08 17:18:17 +08:00
parent f277b191d2
commit 00e860df26
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GPG Key ID: 7385E7E464CB0A54
2 changed files with 41 additions and 12 deletions
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33
pkg/core/converter.go
View File

@ -17,26 +17,47 @@ type TradeConverter interface {
ConvertTrade(trade types.Trade) (types.Trade, error) ConvertTrade(trade types.Trade) (types.Trade, error)
} }
type OrderConvertFunc func(order types.Order) (types.Order, error)
type TradeConvertFunc func(trade types.Trade) (types.Trade, error)
type DynamicConverter struct {
orderConverter OrderConvertFunc
tradeConverter TradeConvertFunc
}
func NewDynamicConverter(orderConverter OrderConvertFunc, tradeConverter TradeConvertFunc) *DynamicConverter {
return &DynamicConverter{orderConverter: orderConverter, tradeConverter: tradeConverter}
}
func (c *DynamicConverter) ConvertOrder(order types.Order) (types.Order, error) {
return c.orderConverter(order)
}
func (c *DynamicConverter) ConvertTrade(trade types.Trade) (types.Trade, error) {
return c.tradeConverter(trade)
}
// SymbolConverter converts the symbol to another symbol // SymbolConverter converts the symbol to another symbol
type SymbolConverter struct { type SymbolConverter struct {
fromSymbol, toSymbol string FromSymbol string `json:"from"`
ToSymbol string `json:"to"`
} }
func NewSymbolConverter(fromSymbol, toSymbol string) *SymbolConverter { func NewSymbolConverter(fromSymbol, toSymbol string) *SymbolConverter {
return &SymbolConverter{fromSymbol: fromSymbol, toSymbol: toSymbol} return &SymbolConverter{FromSymbol: fromSymbol, ToSymbol: toSymbol}
} }
func (c *SymbolConverter) ConvertOrder(order types.Order) (types.Order, error) { func (c *SymbolConverter) ConvertOrder(order types.Order) (types.Order, error) {
if order.Symbol == c.fromSymbol { if order.Symbol == c.FromSymbol {
order.Symbol = c.toSymbol order.Symbol = c.ToSymbol
} }
return order, nil return order, nil
} }
func (c *SymbolConverter) ConvertTrade(trade types.Trade) (types.Trade, error) { func (c *SymbolConverter) ConvertTrade(trade types.Trade) (types.Trade, error) {
if trade.Symbol == c.fromSymbol { if trade.Symbol == c.FromSymbol {
trade.Symbol = c.toSymbol trade.Symbol = c.ToSymbol
} }
return trade, nil return trade, nil

20
pkg/core/tradecollector.go
View File

@ -13,19 +13,27 @@ import (
) )
type ConverterManager struct { type ConverterManager struct {
converters []Converter Converters []Converter `json:"converters,omitempty" yaml:"converters,omitempty"`
}
func (c *ConverterManager) Initialize() error {
for _, converter := range c.Converters {
_ = converter
}
return nil
} }
func (c *ConverterManager) AddConverter(converter Converter) { func (c *ConverterManager) AddConverter(converter Converter) {
c.converters = append(c.converters, converter) c.Converters = append(c.Converters, converter)
} }
func (c *ConverterManager) ConvertOrder(order types.Order) types.Order { func (c *ConverterManager) ConvertOrder(order types.Order) types.Order {
if len(c.converters) == 0 { if len(c.Converters) == 0 {
return order return order
} }
for _, converter := range c.converters { for _, converter := range c.Converters {
convOrder, err := converter.ConvertOrder(order) convOrder, err := converter.ConvertOrder(order)
if err != nil { if err != nil {
logrus.WithError(err).Errorf("converter %+v error, order: %s", converter, order.String()) logrus.WithError(err).Errorf("converter %+v error, order: %s", converter, order.String())
@ -39,11 +47,11 @@ func (c *ConverterManager) ConvertOrder(order types.Order) types.Order {
} }
func (c *ConverterManager) ConvertTrade(trade types.Trade) types.Trade { func (c *ConverterManager) ConvertTrade(trade types.Trade) types.Trade {
if len(c.converters) == 0 { if len(c.Converters) == 0 {
return trade return trade
} }
for _, converter := range c.converters { for _, converter := range c.Converters {
convTrade, err := converter.ConvertTrade(trade) convTrade, err := converter.ConvertTrade(trade)
if err != nil { if err != nil {
logrus.WithError(err).Errorf("converter %+v error, trade: %s", converter, trade.String()) logrus.WithError(err).Errorf("converter %+v error, trade: %s", converter, trade.String())